General Description
The RT9202 is a single power supply PWM DC-DC converter controller designed to drive N-channel MOSFET in a synchronous buck topology. The IC integrates the control, output adjustment, monitoring and protection functions in a small 8-pin package.
FEATUREs
• Operate from 5V
• 0.8V Internal Reference
• Drive Two N-channel MOSFET
• Voltage Mode PWM Control
• Fast Transient Response
• Fixed 300kHz Oscillator Frequency
• Full 0~100% Duty Cycle
• Internal Soft Start
• Adaptive Non-overlapping Gate Driver
• Over-current Monitor Uses MOSFET RDS(ON)
• Over-voltage Protection Uses Low-side MOSFET
APPLICATIONs
• Motherboard Power Regulation for Computers
• Subsystems Power Supplies
• Cable Modems, Set Top Box, and DSL Modems
• DSP and Core Communications processor Supplies
• Memory Power Supplies
• Personal Computer Peripherals
• Industrial Power Supplies
• 5V-Input DC-DC Regulators
• Low Voltage Distributed Power Supplies